- */Makefile.in: changes triggered by newer automake.

[ginac.git] / ginac / relational.h

diff --git a/ginac/relational.h b/ginac/relational.h
index 93673111bfabc930480463eff8b5b8817e1dc66b..1ca6089336c71d3517df247c2b1a678c37172767 100644 (file)
--- a/ginac/relational.h
+++ b/ginac/relational.h
@@ -80,7 +80,9 @@ protected:
     unsigned return_type_tinfo(void) const;
 
     // new virtual functions which can be overridden by derived classes
-    // none
+public:
+    virtual ex lhs(void) const;
+    virtual ex rhs(void) const;
 
     // non-virtual functions in this class
 public: